/*
 * Copyright 2015-2019 The OpenZipkin Authors
 *
 * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except
 * in compliance with the License. You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software distributed under the License
 * is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
 * or implied. See the License for the specific language governing permissions and limitations under
 * the License.
 */
package zipkin2.server.internal.kafka

import org.assertj.core.api.Assertions.assertThat
import org.junit.After
import org.junit.Test
import org.springframework.beans.factory.NoSuchBeanDefinitionException
import org.springframework.boot.autoconfigure.context.PropertyPlaceholderAutoConfiguration
import org.springframework.boot.test.util.TestPropertyValues
import org.springframework.context.annotation.AnnotationConfigApplicationContext
import zipkin2.collector.kafka.KafkaCollector
import zipkin2.server.internal.InMemoryCollectorConfiguration

class ZipkinKafkaCollectorConfigurationTest {
  val context = AnnotationConfigApplicationContext()
  @After fun closeContext() = context.close()

  @Test(expected = NoSuchBeanDefinitionException::class)
  fun doesNotProvideCollectorComponent_whenBootstrapServersUnset() {
    context.register(
      PropertyPlaceholderAutoConfiguration::class.java,
      ZipkinKafkaCollectorConfiguration::class.java,
      InMemoryCollectorConfiguration::class.java)
    context.refresh()

    context.getBean(KafkaCollector::class.java)
  }

  @Test(expected = NoSuchBeanDefinitionException::class)
  fun providesCollectorComponent_whenBootstrapServersEmptyString() {
    TestPropertyValues.of("zipkin.collector.kafka.bootstrap-servers:").applyTo(context)
    context.register(
      PropertyPlaceholderAutoConfiguration::class.java,
      ZipkinKafkaCollectorConfiguration::class.java,
      InMemoryCollectorConfiguration::class.java)
    context.refresh()

    context.getBean(KafkaCollector::class.java)
  }

  @Test fun providesCollectorComponent_whenBootstrapServersSet() {
    TestPropertyValues.of("zipkin.collector.kafka.bootstrap-servers:localhost:9091")
      .applyTo(context)
    context.register(
      PropertyPlaceholderAutoConfiguration::class.java,
      ZipkinKafkaCollectorConfiguration::class.java,
      InMemoryCollectorConfiguration::class.java)
    context.refresh()

    assertThat(context.getBean(KafkaCollector::class.java)).isNotNull
  }
}
